vmcs.h revision 221914
1/*-
2 * Copyright (c) 2011 NetApp, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD$
27 */
28
29#ifndef _VMCS_H_
30#define	_VMCS_H_
31
32#ifdef _KERNEL
33struct vmcs {
34	uint32_t	identifier;
35	uint32_t	abort_code;
36	char		_impl_specific[PAGE_SIZE - sizeof(uint32_t) * 2];
37};
38CTASSERT(sizeof(struct vmcs) == PAGE_SIZE);
39
40/* MSR save region is composed of an array of 'struct msr_entry' */
41struct msr_entry {
42	uint32_t	index;
43	uint32_t	reserved;
44	uint64_t	val;
45
46};
47
48int vmcs_set_msr_save(struct vmcs *vmcs, u_long g_area, u_int g_count);
49int	vmcs_set_defaults(struct vmcs *vmcs, u_long host_rip, u_long host_rsp,
50			  u_long ept_pml4,
51			  uint32_t pinbased_ctls, uint32_t procbased_ctls,
52			  uint32_t procbased_ctls2, uint32_t exit_ctls,
53			  uint32_t entry_ctls, u_long msr_bitmap,
54			  uint16_t vpid);
55int	vmcs_getreg(struct vmcs *vmcs, int ident, uint64_t *retval);
56int	vmcs_setreg(struct vmcs *vmcs, int ident, uint64_t val);
57int	vmcs_getdesc(struct vmcs *vmcs, int ident,
58		     struct seg_desc *desc);
59int	vmcs_setdesc(struct vmcs *vmcs, int ident,
60		     struct seg_desc *desc);
61uint64_t vmcs_read(uint32_t encoding);
62
63#define	vmexit_instruction_length()	vmcs_read(VMCS_EXIT_INSTRUCTION_LENGTH)
64#define	vmcs_guest_rip()		vmcs_read(VMCS_GUEST_RIP)
65#define	vmcs_instruction_error()	vmcs_read(VMCS_INSTRUCTION_ERROR)
66#define	vmcs_exit_reason()		(vmcs_read(VMCS_EXIT_REASON) & 0xffff)
67#define	vmcs_exit_qualification()	vmcs_read(VMCS_EXIT_QUALIFICATION)
68
69#endif	/* _KERNEL */
70
71#define	VMCS_IDENT(encoding)		((encoding) | 0x80000000)
72/*
73 * VMCS field encodings from Appendix H, Intel Architecture Manual Vol3B.
74 */
75#define	VMCS_INVALID_ENCODING		0xffffffff
76
77/* 16-bit control fields */
78#define	VMCS_VPID			0x00000000
79
80/* 16-bit guest-state fields */
81#define	VMCS_GUEST_ES_SELECTOR		0x00000800
82#define	VMCS_GUEST_CS_SELECTOR		0x00000802
83#define	VMCS_GUEST_SS_SELECTOR		0x00000804
84#define	VMCS_GUEST_DS_SELECTOR		0x00000806
85#define	VMCS_GUEST_FS_SELECTOR		0x00000808
86#define	VMCS_GUEST_GS_SELECTOR		0x0000080A
87#define	VMCS_GUEST_LDTR_SELECTOR	0x0000080C
88#define	VMCS_GUEST_TR_SELECTOR		0x0000080E
89
90/* 16-bit host-state fields */
91#define	VMCS_HOST_ES_SELECTOR		0x00000C00
92#define	VMCS_HOST_CS_SELECTOR		0x00000C02
93#define	VMCS_HOST_SS_SELECTOR		0x00000C04
94#define	VMCS_HOST_DS_SELECTOR		0x00000C06
95#define	VMCS_HOST_FS_SELECTOR		0x00000C08
96#define	VMCS_HOST_GS_SELECTOR		0x00000C0A
97#define	VMCS_HOST_TR_SELECTOR		0x00000C0C
98
99/* 64-bit control fields */
100#define	VMCS_IO_BITMAP_A		0x00002000
101#define	VMCS_IO_BITMAP_B		0x00002002
102#define	VMCS_MSR_BITMAP			0x00002004
103#define	VMCS_EXIT_MSR_STORE		0x00002006
104#define	VMCS_EXIT_MSR_LOAD		0x00002008
105#define	VMCS_ENTRY_MSR_LOAD		0x0000200A
106#define	VMCS_EXECUTIVE_VMCS		0x0000200C
107#define	VMCS_TSC_OFFSET			0x00002010
108#define	VMCS_VIRTUAL_APIC		0x00002012
109#define	VMCS_APIC_ACCESS		0x00002014
110#define	VMCS_EPTP			0x0000201A
111
112/* 64-bit read-only fields */
113#define	VMCS_GUEST_PHYSICAL_ADDRESS	0x00002400
114
115/* 64-bit guest-state fields */
116#define	VMCS_LINK_POINTER		0x00002800
117#define	VMCS_GUEST_IA32_DEBUGCTL	0x00002802
118#define	VMCS_GUEST_IA32_PAT		0x00002804
119#define	VMCS_GUEST_IA32_EFER		0x00002806
120#define	VMCS_GUEST_IA32_PERF_GLOBAL_CTRL 0x00002808
121#define	VMCS_GUEST_PDPTE0		0x0000280A
122#define	VMCS_GUEST_PDPTE1		0x0000280C
123#define	VMCS_GUEST_PDPTE2		0x0000280E
124#define	VMCS_GUEST_PDPTE3		0x00002810
125
126/* 64-bit host-state fields */
127#define	VMCS_HOST_IA32_PAT		0x00002C00
128#define	VMCS_HOST_IA32_EFER		0x00002C02
129#define	VMCS_HOST_IA32_PERF_GLOBAL_CTRL	0x00002C04
130
131/* 32-bit control fields */
132#define	VMCS_PIN_BASED_CTLS		0x00004000
133#define	VMCS_PRI_PROC_BASED_CTLS	0x00004002
134#define	VMCS_EXCEPTION_BITMAP		0x00004004
135#define	VMCS_PF_ERROR_MASK		0x00004006
136#define	VMCS_PF_ERROR_MATCH		0x00004008
137#define	VMCS_CR3_TARGET_COUNT		0x0000400A
138#define	VMCS_EXIT_CTLS			0x0000400C
139#define	VMCS_EXIT_MSR_STORE_COUNT	0x0000400E
140#define	VMCS_EXIT_MSR_LOAD_COUNT	0x00004010
141#define	VMCS_ENTRY_CTLS			0x00004012
142#define	VMCS_ENTRY_MSR_LOAD_COUNT	0x00004014
143#define	VMCS_ENTRY_INTR_INFO		0x00004016
144#define	VMCS_ENTRY_EXCEPTION_ERROR	0x00004018
145#define	VMCS_ENTRY_INST_LENGTH		0x0000401A
146#define	VMCS_TPR_THRESHOLD		0x0000401C
147#define	VMCS_SEC_PROC_BASED_CTLS	0x0000401E
148#define	VMCS_PLE_GAP			0x00004020
149#define	VMCS_PLE_WINDOW			0x00004022
150
151/* 32-bit read-only data fields */
152#define	VMCS_INSTRUCTION_ERROR		0x00004400
153#define	VMCS_EXIT_REASON		0x00004402
154#define	VMCS_EXIT_INTERRUPTION_INFO	0x00004404
155#define	VMCS_EXIT_INTERRUPTION_ERROR	0x00004406
156#define	VMCS_IDT_VECTORING_INFO		0x00004408
157#define	VMCS_IDT_VECTORING_ERROR	0x0000440A
158#define	VMCS_EXIT_INSTRUCTION_LENGTH	0x0000440C
159#define	VMCS_EXIT_INSTRUCTION_INFO	0x0000440E
160
161/* 32-bit guest-state fields */
162#define	VMCS_GUEST_ES_LIMIT		0x00004800
163#define	VMCS_GUEST_CS_LIMIT		0x00004802
164#define	VMCS_GUEST_SS_LIMIT		0x00004804
165#define	VMCS_GUEST_DS_LIMIT		0x00004806
166#define	VMCS_GUEST_FS_LIMIT		0x00004808
167#define	VMCS_GUEST_GS_LIMIT		0x0000480A
168#define	VMCS_GUEST_LDTR_LIMIT		0x0000480C
169#define	VMCS_GUEST_TR_LIMIT		0x0000480E
170#define	VMCS_GUEST_GDTR_LIMIT		0x00004810
171#define	VMCS_GUEST_IDTR_LIMIT		0x00004812
172#define	VMCS_GUEST_ES_ACCESS_RIGHTS	0x00004814
173#define	VMCS_GUEST_CS_ACCESS_RIGHTS	0x00004816
174#define	VMCS_GUEST_SS_ACCESS_RIGHTS	0x00004818
175#define	VMCS_GUEST_DS_ACCESS_RIGHTS	0x0000481A
176#define	VMCS_GUEST_FS_ACCESS_RIGHTS	0x0000481C
177#define	VMCS_GUEST_GS_ACCESS_RIGHTS	0x0000481E
178#define	VMCS_GUEST_LDTR_ACCESS_RIGHTS	0x00004820
179#define	VMCS_GUEST_TR_ACCESS_RIGHTS	0x00004822
180#define	VMCS_GUEST_INTERRUPTIBILITY	0x00004824
181#define	VMCS_GUEST_ACTIVITY		0x00004826
182#define VMCS_GUEST_SMBASE		0x00004828
183#define	VMCS_GUEST_IA32_SYSENTER_CS	0x0000482A
184#define	VMCS_PREEMPTION_TIMER_VALUE	0x0000482E
185
186/* 32-bit host state fields */
187#define	VMCS_HOST_IA32_SYSENTER_CS	0x00004C00
188
189/* Natural Width control fields */
190#define	VMCS_CR0_MASK			0x00006000
191#define	VMCS_CR4_MASK			0x00006002
192#define	VMCS_CR0_SHADOW			0x00006004
193#define	VMCS_CR4_SHADOW			0x00006006
194#define	VMCS_CR3_TARGET0		0x00006008
195#define	VMCS_CR3_TARGET1		0x0000600A
196#define	VMCS_CR3_TARGET2		0x0000600C
197#define	VMCS_CR3_TARGET3		0x0000600E
198
199/* Natural Width read-only fields */
200#define	VMCS_EXIT_QUALIFICATION		0x00006400
201#define	VMCS_IO_RCX			0x00006402
202#define	VMCS_IO_RSI			0x00006404
203#define	VMCS_IO_RDI			0x00006406
204#define	VMCS_IO_RIP			0x00006408
205#define	VMCS_GUEST_LINEAR_ADDRESS	0x0000640A
206
207/* Natural Width guest-state fields */
208#define	VMCS_GUEST_CR0			0x00006800
209#define	VMCS_GUEST_CR3			0x00006802
210#define	VMCS_GUEST_CR4			0x00006804
211#define	VMCS_GUEST_ES_BASE		0x00006806
212#define	VMCS_GUEST_CS_BASE		0x00006808
213#define	VMCS_GUEST_SS_BASE		0x0000680A
214#define	VMCS_GUEST_DS_BASE		0x0000680C
215#define	VMCS_GUEST_FS_BASE		0x0000680E
216#define	VMCS_GUEST_GS_BASE		0x00006810
217#define	VMCS_GUEST_LDTR_BASE		0x00006812
218#define	VMCS_GUEST_TR_BASE		0x00006814
219#define	VMCS_GUEST_GDTR_BASE		0x00006816
220#define	VMCS_GUEST_IDTR_BASE		0x00006818
221#define	VMCS_GUEST_DR7			0x0000681A
222#define	VMCS_GUEST_RSP			0x0000681C
223#define	VMCS_GUEST_RIP			0x0000681E
224#define	VMCS_GUEST_RFLAGS		0x00006820
225#define	VMCS_GUEST_PENDING_DBG_EXCEPTIONS 0x00006822
226#define	VMCS_GUEST_IA32_SYSENTER_ESP	0x00006824
227#define	VMCS_GUEST_IA32_SYSENTER_EIP	0x00006826
228
229/* Natural Width host-state fields */
230#define	VMCS_HOST_CR0			0x00006C00
231#define	VMCS_HOST_CR3			0x00006C02
232#define	VMCS_HOST_CR4			0x00006C04
233#define	VMCS_HOST_FS_BASE		0x00006C06
234#define	VMCS_HOST_GS_BASE		0x00006C08
235#define	VMCS_HOST_TR_BASE		0x00006C0A
236#define	VMCS_HOST_GDTR_BASE		0x00006C0C
237#define	VMCS_HOST_IDTR_BASE		0x00006C0E
238#define	VMCS_HOST_IA32_SYSENTER_ESP	0x00006C10
239#define	VMCS_HOST_IA32_SYSENTER_EIP	0x00006C12
240#define	VMCS_HOST_RSP			0x00006C14
241#define	VMCS_HOST_RIP			0x00006c16
242
243/*
244 * VM instruction error numbers
245 */
246#define	VMRESUME_WITH_NON_LAUNCHED_VMCS	5
247
248/*
249 * VMCS exit reasons
250 */
251#define EXIT_REASON_EXCEPTION		0
252#define EXIT_REASON_EXT_INTR		1
253#define EXIT_REASON_TRIPLE_FAULT	2
254#define EXIT_REASON_INIT		3
255#define EXIT_REASON_SIPI		4
256#define EXIT_REASON_IO_SMI		5
257#define EXIT_REASON_SMI			6
258#define EXIT_REASON_INTR_WINDOW		7
259#define EXIT_REASON_NMI_WINDOW		8
260#define EXIT_REASON_TASK_SWITCH		9
261#define EXIT_REASON_CPUID		10
262#define EXIT_REASON_GETSEC		11
263#define EXIT_REASON_HLT			12
264#define EXIT_REASON_INVD		13
265#define EXIT_REASON_INVLPG		14
266#define EXIT_REASON_RDPMC		15
267#define EXIT_REASON_RDTSC		16
268#define EXIT_REASON_RSM			17
269#define EXIT_REASON_VMCALL		18
270#define EXIT_REASON_VMCLEAR		19
271#define EXIT_REASON_VMLAUNCH		20
272#define EXIT_REASON_VMPTRLD		21
273#define EXIT_REASON_VMPTRST		22
274#define EXIT_REASON_VMREAD		23
275#define EXIT_REASON_VMRESUME		24
276#define EXIT_REASON_VMWRITE		25
277#define EXIT_REASON_VMXOFF		26
278#define EXIT_REASON_VMXON		27
279#define EXIT_REASON_CR_ACCESS		28
280#define EXIT_REASON_DR_ACCESS		29
281#define EXIT_REASON_INOUT		30
282#define EXIT_REASON_RDMSR		31
283#define EXIT_REASON_WRMSR		32
284#define EXIT_REASON_INVAL_VMCS		33
285#define EXIT_REASON_INVAL_MSR		34
286#define EXIT_REASON_MWAIT		36
287#define EXIT_REASON_MTF			37
288#define EXIT_REASON_MONITOR		39
289#define EXIT_REASON_PAUSE		40
290#define EXIT_REASON_MCE			41
291#define EXIT_REASON_TPR			43
292#define EXIT_REASON_APIC		44
293#define EXIT_REASON_GDTR_IDTR		46
294#define EXIT_REASON_LDTR_TR		47
295#define EXIT_REASON_EPT_FAULT		48
296#define EXIT_REASON_EPT_MISCONFIG	49
297#define EXIT_REASON_INVEPT		50
298#define EXIT_REASON_RDTSCP		51
299#define EXIT_REASON_VMX_PREEMPT		52
300#define EXIT_REASON_INVVPID		53
301#define EXIT_REASON_WBINVD		54
302#define EXIT_REASON_XSETBV		55
303
304/*
305 * VMCS interrupt information fields
306 */
307#define	VMCS_INTERRUPTION_INFO_VALID	(1 << 31)
308#define	VMCS_INTERRUPTION_INFO_HW_INTR	(0 << 8)
309#define	VMCS_INTERRUPTION_INFO_NMI	(2 << 8)
310
311/*
312 * VMCS Guest interruptibility field
313 */
314#define	VMCS_INTERRUPTIBILITY_STI_BLOCKING	(1 << 0)
315#define	VMCS_INTERRUPTIBILITY_MOVSS_BLOCKING	(1 << 1)
316#define	VMCS_INTERRUPTIBILITY_SMI_BLOCKING	(1 << 2)
317#define	VMCS_INTERRUPTIBILITY_NMI_BLOCKING	(1 << 3)
318
319/*
320 * Exit qualification for EXIT_REASON_INVAL_VMCS
321 */
322#define	EXIT_QUAL_NMI_WHILE_STI_BLOCKING	3
323
324#endif
325